Stimulation device



FIG. 1 is a front perspective view of a stimulation device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is the top plan view thereof; and,

FIG. 7 is the bottom plan view thereof.

The broken lines in the drawings depict portions of the stimulation device that form no part of the claimed design. In particular, the controls and the on/off button form no part of the claimed design. 

CLAIM The ornamental design for a stimulation device, as shown and described. 